49546-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 49546-90-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,5,4 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 49546-90:
(7*4)+(6*9)+(5*5)+(4*4)+(3*6)+(2*9)+(1*0)=159
159 % 10 = 9
So 49546-90-9 is a valid CAS Registry Number.